Fluke Calibration: Latin Americahttps://la.flukecal.com
esMemo on the traceability, calibration, and recalibration requirements for Fluke coilshttps://la.flukecal.com/blog/memo-traceability-calibration-and-recalibration-requirements-fluke-coils
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<h3>Purpose</h3>
<p><a href="https://la.flukecal.com/blog/memo-traceability-calibration-and-recalibration-requirements-fluke-coils" target="_blank">leer más</a></p>https://la.flukecal.com/blog/memo-traceability-calibration-and-recalibration-requirements-fluke-coils#commentsclamp meter calibrationcurrent coilElectrical calibrationFri, 31 Mar 2017 19:33:26 +0000Jeff Gust109680 at https://la.flukecal.comHow to calibrate a pressure gauge between 600 psi and 3000 psi without causing contaminationhttps://la.flukecal.com/blog/how-calibrate-pressure-gauge-between-600-psi-and-3000-psi-without-causing-contamination
<p>&nbsp;Most pumps used for calibration above 600 psi tend to be hydraulic. Since hydraulic pumps use fluids to generate pressure, liquid contamination of the system being calibrated is a definite risk. To avoid liquid contamination gas is used instead. The old-fashioned way to supply gas pressure above 600 psi is with a gas cylinder. However, working with a gas cylinder is both a burden and a safety risk. For field calibration the best solution is a pneumatic pump designed for pressures up to 3000 psi.</p>
<p><a href="https://la.flukecal.com/blog/how-calibrate-pressure-gauge-between-600-psi-and-3000-psi-without-causing-contamination" target="_blank">leer más</a></p>https://la.flukecal.com/blog/how-calibrate-pressure-gauge-between-600-psi-and-3000-psi-without-causing-contamination#commentshigh pressure field calibrationpressure gauge calibrationThu, 17 Nov 2016 22:59:47 +0000Tim Francis100551 at https://la.flukecal.comHow often should you calibrate?https://la.flukecal.com/blog/how-often-should-you-calibrate
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<p>The question isn’t whether to calibrate, it’s how often to. There is no “one size fits all” answer. Consider these possible calibration frequencies to help you decide what works best for you:</p>
<ul>
<li><strong>Manufacturer-recommended calibration interval.</strong> Manufacturers’ specifications indicate how often to calibrate their tools, but critical measurements may require different intervals.</li>
</ul>
<p><a href="https://la.flukecal.com/blog/how-often-should-you-calibrate" target="_blank">leer más</a></p>https://la.flukecal.com/blog/how-often-should-you-calibrate#commentsTue, 01 Nov 2016 18:20:41 +0000Ron Ainsworth100375 at https://la.flukecal.comCalibrating at the bench with a deadweight testerhttps://la.flukecal.com/blog/calibrating-bench-deadweight-tester
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<p>A deadweight tester is a proven method of pressure calibration that is usually chosen for bench applications when accuracy and reliability are the top requirements. Calibrations are performed at the bench for convenience and to maintain reference conditions. The bench is a convenient location to clean, inspect, calibrate and repair with all the necessary equipment available. Reference conditions are necessary to achieve the reference accuracy of the device under test and the calibration standards. Reference accuracy may be required to maintain the necessary test uncertainty ratios (TUR).</p>
<p><a href="https://la.flukecal.com/blog/calibrating-bench-deadweight-tester" target="_blank">leer más</a></p>https://la.flukecal.com/blog/calibrating-bench-deadweight-tester#commentsDeadweight tester; dwt; bench calibrationTue, 25 Oct 2016 17:22:00 +0000Tim Francis100281 at https://la.flukecal.comBest practices for cabling and test leads in electrical calibrationhttps://la.flukecal.com/blog/best-practices-cabling-and-test-leads-electrical-calibration
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<p>You might not think of a cable as an electrical instrument; however, leads and cabling are the foremost cause of measurement errors in the calibration lab. Here are three things to keep in mind so you can avoid unnecessary errors:</p>
<ol>
<li>Cabling and leads must be suitable for the work you’re performing. Consider:
<ol>
<li>Safety and category (CAT) ratings</li>
<li>The accuracy required for your measurement</li>
<li>The type of measurement being performed</li>
<li>Whether the leads will be used in a controlled or non-controlled environment</li>
</ol>
</li>
</ol>
<p><a href="https://la.flukecal.com/blog/best-practices-cabling-and-test-leads-electrical-calibration" target="_blank">leer más</a></p>https://la.flukecal.com/blog/best-practices-cabling-and-test-leads-electrical-calibration#commentsbest practicescablesElectrical calibrationtest leadsFri, 29 Jul 2016 23:02:44 +0000Richard McFadden97939 at https://la.flukecal.comホームページへのご意見、ご要望https://la.flukecal.com/node/97896
<p>こちらのウェブサイトに対するご意見、ご提案、改善案等を以下のフォームからお送りいただければ幸いです。サイトの問題点のご連絡への個別の回答はできかねますが、お客さまからのメッセージは全て拝見いたします。お寄せいただいたご意見はウェブサイト、製品、サービスの改善の参考にさせていただきます。</p>
Wed, 27 Jul 2016 18:39:21 +0000Jason EloquaTest97896 at https://la.flukecal.comThree methods for calibrating temperature sensors: pros and conshttps://la.flukecal.com/blog/three-methods-calibrating-temperature-sensors-pros-and-cons
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<p>There are three common methods for calibrating temperature sensors:</p>
<ul>
<li>Calibrating just the electronics with a simulator</li>
<li>Calibrating both the electronics and the sensor in a dry-well</li>
<li>Calibrating both the electronics and the sensor in a dry-well with a reference thermometer</li>
</ul>
<p>
Here is a quick look at these methods and the pros and cons of each.</p>
<h2>Calibrating just the electronics with a simulator</h2>
<p><a href="https://la.flukecal.com/blog/three-methods-calibrating-temperature-sensors-pros-and-cons" target="_blank">leer más</a></p>https://la.flukecal.com/blog/three-methods-calibrating-temperature-sensors-pros-and-cons#commentsdry-wellhow to calibrate temperature sensorsreference thermometertemperatuare simulatortemperature sensor calibrationTue, 10 May 2016 20:55:11 +0000Steve Potter94762 at https://la.flukecal.comReplacing your old pressure controller? Here are five things you should know.https://la.flukecal.com/blog/replacing-your-old-pressure-controller-here-are-five-things-you-should-know
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<p>You might want to replace your pressure controller if:</p>
<ul>
<li>It's obsolete and the manufacturer doesn't support it anymore.</li>
<li>It's broken or not working and you can't repair it, or it costs too much to repair.</li>
<li>The advanced capabilities of a new controller provides value to your business.</li>
</ul>
<p>
Before you set out to shop for a new pressure calibrator, here are some things you should consider.</p>
<h2>Workload coverage</h2>
<p><a href="https://la.flukecal.com/blog/replacing-your-old-pressure-controller-here-are-five-things-you-should-know" target="_blank">leer más</a></p>https://la.flukecal.com/blog/replacing-your-old-pressure-controller-here-are-five-things-you-should-know#commentsReplace a pressure controllerreplacing a pressure controllerMon, 07 Mar 2016 18:16:18 +0000Tim Francis92343 at https://la.flukecal.com培训课程https://la.flukecal.com/node/92091
Sun, 28 Feb 2016 05:43:00 +0000Jason EloquaTest92091 at https://la.flukecal.com7 important facts you must know before calibrating a clamp meterhttps://la.flukecal.com/blog/7-important-facts-you-must-know-calibrating-clamp-meter
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<div>A current clamp measures current via the non-contact method, making it safer and less troublesome to acquire a measurement. It usually has additional measurement functions such as voltage and continuity. A clamp meter typically requires an annual calibration to ensure that it continues to make measurements within the manufacturer’s specifications.</div>
<div>&nbsp;</div>
<div>Here are 7 important things to consider when calibrating a clamp meter:</div>
<div>&nbsp;</div>
<p><a href="https://la.flukecal.com/blog/7-important-facts-you-must-know-calibrating-clamp-meter" target="_blank">leer más</a></p>https://la.flukecal.com/blog/7-important-facts-you-must-know-calibrating-clamp-meter#commentsclamp calibrationclamp meter calibration; clamp meter calibratorcoilcurrent meter calibrationFluke clamp calibrationhigh-current calibrationiFlex calibrationFri, 19 Feb 2016 01:34:38 +0000Richard McFadden91654 at https://la.flukecal.comSelecting the right temperature probe-to-readout adapterhttps://la.flukecal.com/blog/selecting-right-temperature-probe-readout-adapter
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<p>A temperature probe is typically ordered with a termination that matches the calibration equipment it will be used with. For example, a 5615 Secondary Standard PRT used with a 914X Field Metrology Well would be ordered with a type A termination (INFO-CON DIN 6-pin).</p>
<p><a href="https://la.flukecal.com/blog/selecting-right-temperature-probe-readout-adapter" target="_blank">leer más</a></p>https://la.flukecal.com/blog/selecting-right-temperature-probe-readout-adapter#commentsprobe terminationtemperature probe and readout connectiontemperature probesTue, 09 Feb 2016 18:59:28 +0000Steve Potter91182 at https://la.flukecal.comUnderstanding the basics of digital multimeter calibrationhttps://la.flukecal.com/blog/understanding-basics-digital-multimeter-calibration
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<h2>Why calibrate?</h2>
<p>A digital multimeter (DMM) is one of the most commonly used pieces of test and measurement instrumentation. Quality processes depend on its continual proper operation. However, time, environment, and physical use (or abuses) change a DMM’s characteristics. That’s why it’s important to periodically calibrate or verify the performance of a DMM.</p>
<p>We’ve published an application note, “Why calibrate test equipment?” that provides more detailed information about calibration and why it’s important. You can read it here:</p>
<p><a href="https://la.flukecal.com/blog/understanding-basics-digital-multimeter-calibration" target="_blank">leer más</a></p>https://la.flukecal.com/blog/understanding-basics-digital-multimeter-calibration#commentscalibrating a digital multimeterdigital multimeter calibrationDMM calibrationhow to calibrate a digital multimeterThu, 21 Jan 2016 17:32:39 +0000Richard McFadden90341 at https://la.flukecal.comIntroduction to the ISO Guide to the Expression of Uncertainty of Measurement (GUM)https://la.flukecal.com/blog/introduction-iso-guide-expression-uncertainty-measurement-gum
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<p>When an instrument is calibrated, the measurements should be traceable back to a common standard such as the international system of units (SI). By definition, one cannot have a traceable measurement without uncertainty, which means we have to estimate it and communicate it in each step of the traceability chain. If traceability is important to you, then you must be able to understand and quantify uncertainty.</p>
<p><a href="https://la.flukecal.com/blog/introduction-iso-guide-expression-uncertainty-measurement-gum" target="_blank">leer más</a></p>https://la.flukecal.com/blog/introduction-iso-guide-expression-uncertainty-measurement-gum#commentscalibration vocabularyGuide to the Expression of Uncertainty of MeasurementGUMmeasurement uncertaintytraceabilityuncertaintyFri, 08 Jan 2016 23:39:51 +0000Jeff Gust89934 at https://la.flukecal.comOpportunities to learn about calibration and metrologyhttps://la.flukecal.com/blog/opportunities-learn-about-calibration-and-metrology
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<p>If one of your resolutions for the New Year is to learn something new, you will find many opportunities at Fluke Calibration to do just that. Some offerings are completely free, while other are more in-depth and carry a price tag.</p>
<p>Here is an overview of opportunities for learning at Fluke Calibration:</p>
<h2>Fluke Calibration web seminars</h2>
<p><a href="https://la.flukecal.com/blog/opportunities-learn-about-calibration-and-metrology" target="_blank">leer más</a></p>https://la.flukecal.com/blog/opportunities-learn-about-calibration-and-metrology#commentscalibration education; calibration web seminars; calibration and metrology training; calibration resource centersTue, 05 Jan 2016 16:56:26 +0000Barbara Richardson89824 at https://la.flukecal.comEstablishing calibration intervals for Fluke productshttps://la.flukecal.com/blog/establishing-calibration-intervals-fluke-products
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<p>Fluke endeavors to build the world’s most accurate, rugged and reliable test equipment. Our products are calibrated to be traceable to the International System of Units (SI) through intrinsic standards or National Metrology Institutes. (Note: It is not possible for some Fluke Biomedical products to be traceable to the SI and in those cases the calibrations are traceable to consensus standards). However, all electronic components and mechanical devices exhibit drift over time.</p>
<p><a href="https://la.flukecal.com/blog/establishing-calibration-intervals-fluke-products" target="_blank">leer más</a></p>https://la.flukecal.com/blog/establishing-calibration-intervals-fluke-products#commentscalibration intervals; traceabilityTue, 15 Dec 2015 22:11:30 +0000Jeff Gust89151 at https://la.flukecal.comFive easy steps for choosing an industrial temperature readout and probehttps://la.flukecal.com/blog/five-easy-steps-choosing-industrial-temperature-readout-and-probe
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<p>To calibrate an industrial temperature sensor like a PRT, RTD, thermistor, or thermocouple, you put the sensor into a stable industrial temperature readout like a dry-well, furnace, or calibration bath, and then compare the sensor’s output to the output of a reference standard probe connected to a thermometer readout. There are many different types of reference standard probes and thermometer readouts, and many ways to combine them, so knowing what to purchase can be a little confusing. We can help simplify the process.</p>
<p><a href="https://la.flukecal.com/blog/five-easy-steps-choosing-industrial-temperature-readout-and-probe" target="_blank">leer más</a></p>https://la.flukecal.com/blog/five-easy-steps-choosing-industrial-temperature-readout-and-probe#commentsindustrial temperature probeindustrial temperature readoutreference standard probetemperature readout and probeTue, 25 Aug 2015 15:58:27 +0000Steve Potter85690 at https://la.flukecal.comThree excellent reasons to choose a modular pressure calibrator over a more traditional solutionhttps://la.flukecal.com/blog/three-excellent-reasons-choose-modular-pressure-calibrator-over-more-traditional-solution
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<p>From a high level view, all pressure calibration systems perform these actions:</p>
<ul>
<li>Generate and control a pressure.</li>
<li>Measure the pressure.</li>
<li>Observe and record the output of the device under test (DUT).</li>
</ul>
<p>
In a traditional pressure calibration system, one device performs more than one of these functions. In a modular system, each function is performed by a separate module.</p>
<h2>Why might you prefer a modular solution?</h2>
<ol></ol>
<p><a href="https://la.flukecal.com/blog/three-excellent-reasons-choose-modular-pressure-calibrator-over-more-traditional-solution" target="_blank">leer más</a></p>https://la.flukecal.com/blog/three-excellent-reasons-choose-modular-pressure-calibrator-over-more-traditional-solution#commentsFri, 07 Aug 2015 00:24:21 +0000Tim Francis85290 at https://la.flukecal.comChoosing and using cables for RF calibrationhttps://la.flukecal.com/blog/choosing-and-using-cables-rf-calibration
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<p>Coaxial cables are common throughout RF and microwave calibration, representing significant investment as precision cables can be very expensive. Choosing an appropriate cable type is often critical to successfully making accurate, repeatable measurements. Characteristics of the cable, the connectors, and the attachment of the connectors to the cable all contribute. The key characteristics are attenuation, phase shift (delay) and match, and their stability with time, temperature and flexing/movement of the cable and connectors.</p>
<p><a href="https://la.flukecal.com/blog/choosing-and-using-cables-rf-calibration" target="_blank">leer más</a></p>https://la.flukecal.com/blog/choosing-and-using-cables-rf-calibration#commentsRF cables and connectorsRF calibrationThu, 23 Jul 2015 00:06:45 +0000Paul Roberts82473 at https://la.flukecal.comSix questions to ask before you choose a pressure calibration solutionhttps://la.flukecal.com/blog/six-questions-ask-you-choose-pressure-calibration-solution
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<p>You’ve got the approval and the budget to purchase a new pressure calibration system. Now how do you find the perfect solution? Asking yourself these six questions is a great way to get started.</p>
<p><strong>1. What is the accuracy or uncertainty of the device to be tested? </strong><br />
Once you know the specifications of your device under test (DUT), you can then look for calibrators that will give you a 4:1 test uncertainty ratio.</p>
<p><strong>2. Where will you be using the calibrator? </strong></p>
<p><a href="https://la.flukecal.com/blog/six-questions-ask-you-choose-pressure-calibration-solution" target="_blank">leer más</a></p>https://la.flukecal.com/blog/six-questions-ask-you-choose-pressure-calibration-solution#commentsHow to choose a pressure calibratorSelecting a pressure calibratorTue, 23 Jun 2015 00:14:42 +0000Tim Francis81813 at https://la.flukecal.comThermocouple calibration: what you need to knowhttps://la.flukecal.com/blog/thermocouple-calibration-what-you-need-know
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<p>Thermocouples are broadly used in many industrial and scientific applications. But it can be a bit tricky to understand how they work and how to calibrate them.</p>
<p>We've developed a thermocouple application note series created by temperature calibration experts to help you learn what you need to know. The series covers how thermocouples work, choosing calibration equipment, calculating uncertainties, and how to calibrate thermocouples.</p>
<p>There are four application notes in the series:</p>
<ul></ul>
<p><a href="https://la.flukecal.com/blog/thermocouple-calibration-what-you-need-know" target="_blank">leer más</a></p>https://la.flukecal.com/blog/thermocouple-calibration-what-you-need-know#commentsHow to calibrate a thermocoupleHow to select thermocouple calibration equipment; Calculating undertainties in a thermocouple calibration systemThermocouple fundamentalsThu, 28 May 2015 16:59:23 +0000Steve Potter81811 at https://la.flukecal.com2015 World Metrology Day Messagehttps://la.flukecal.com/blog/2015-world-metrology-day-message
<p><img alt="World Metrology Day" src="/sites/flukecal.com/files/public/6000078b-en-fcal-worldmetday-212x100.jpg" /></p>
<p>World Metrology Day commemorates the signing of the Meter Convention on May 20, 1875. We who are dedicated to metrology, the science of measurement, celebrate the importance of measurements on this day. We also like to use this day to evangelize and talk about measurements and why they are so interesting and important to us all.</p>
<p><a href="https://la.flukecal.com/blog/2015-world-metrology-day-message" target="_blank">leer más</a></p>https://la.flukecal.com/blog/2015-world-metrology-day-message#commentsWorld Metrology DayTue, 26 May 2015 22:43:12 +0000Jeff Gust81755 at https://la.flukecal.comThe Fluke Calibration Brand Storyhttps://la.flukecal.com/blog/fluke-calibration-brand-story
<p>&nbsp;</p>
<p>The Fluke Calibration brand has grown over the years to encompass a broad range of products and services in electrical, rf, temperature, pressure, and flow calibration, plus calibration software. This infographic tells the story of how our brand has progressed over the years, and what we stand for. You might be surprised to see what we have in common with our colleagues in the Fluke Corporation “industrial” business, and how we’re different.</p>
<p><a href="https://la.flukecal.com/blog/fluke-calibration-brand-story" target="_blank">leer más</a></p>https://la.flukecal.com/blog/fluke-calibration-brand-story#commentsFluke Calibration brandmetrology brandsThu, 26 Jun 2014 15:32:49 +0000Barbara Richardson71235 at https://la.flukecal.comZeroing at barometric pressure, at the local airporthttps://la.flukecal.com/blog/zeroing-barometric-pressure-local-airport
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<div>Many Fluke Calibration pressure measuring instruments require periodic zeroing of the reference pressure transducer to correct for drift that occurs naturally over time.&nbsp;For the transducers that are intrinsically absolute, the zeroing process is often performed by comparison to local barometric pressure.&nbsp;This is a relatively simple task for laboratories that have access to a precision in-house barometer.&nbsp;With the exception of a few low pressure ranges, zero by comparison to an in-house barometer is the recommended method.&nbsp;</div>
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<p><a href="https://la.flukecal.com/blog/zeroing-barometric-pressure-local-airport" target="_blank">leer más</a></p>https://la.flukecal.com/blog/zeroing-barometric-pressure-local-airport#commentsaltimeterbarometerbarometric pressureDH InstrumentsFluke CalibrationMon, 19 May 2014 21:34:10 +0000Matt Daniels70377 at https://la.flukecal.comRemembering John Fluke Sr.—three decades laterhttps://la.flukecal.com/blog/remembering-john-fluke-sr%E2%80%94three-decades-later
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<div>The thirtieth anniversary of the passing of Fluke founder John Fluke Sr. occurred earlier this year. To help celebrate his memory and share the vision that our company is based on, our colleagues in Human Resources made a short video. The video includes reminiscences from Fluke and Fluke Calibration associates (including yours truly) who remember what it was like to work at Fluke ”back in the day.”</div>
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<p><a href="https://la.flukecal.com/blog/remembering-john-fluke-sr%E2%80%94three-decades-later" target="_blank">leer más</a></p>https://la.flukecal.com/blog/remembering-john-fluke-sr%E2%80%94three-decades-later#comments5730AFlukeFluke CalibrationJohn Fluke Sr.Multifunction CalibratorSeniorThu, 27 Mar 2014 17:14:12 +0000jack somppi68227 at https://la.flukecal.comA new look at a triumph of engineering and ingenuity from 1968https://la.flukecal.com/blog/new-look-triumph-engineering-and-ingenuity-1968
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<div><span>In December 1968, astronauts William Anders, Frank Borman, and James Lovell became the first people to travel from Earth to another body in space.</span></div>
<p><a href="https://la.flukecal.com/blog/new-look-triumph-engineering-and-ingenuity-1968" target="_blank">leer más</a></p>https://la.flukecal.com/blog/new-look-triumph-engineering-and-ingenuity-1968#comments1968Apollo 8FlukeJet PropulsionNASAMon, 27 Jan 2014 20:34:18 +0000Ron Ainsworth66621 at https://la.flukecal.com9 Free, Live Web Seminars on Metrology and Calibration Topics You Won’t Want to Misshttps://la.flukecal.com/blog/9-free-live-web-seminars-metrology-and-calibration-topics-you-won%E2%80%99t-want-miss
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<div>Each month, Fluke Calibration hosts&nbsp;free, live web seminars including interactive Q&amp;A sessions, on topics that include principles and practical tips about electrical, temperature, RF, pressure and flow calibration. The first seminars of 2014 have been announced. They include nine different seminars (including two in Spanish) on a wide variety of topics.</div>
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<p><a href="https://la.flukecal.com/blog/9-free-live-web-seminars-metrology-and-calibration-topics-you-won%E2%80%99t-want-miss" target="_blank">leer más</a></p>https://la.flukecal.com/blog/9-free-live-web-seminars-metrology-and-calibration-topics-you-won%E2%80%99t-want-miss#commentsFlukeFluke Calibrationfree calibration traininglive web seminarsmetrology and calibration topicsWed, 15 Jan 2014 17:02:49 +0000John EloquaTest66060 at https://la.flukecal.comIs it time to replace that mercury thermometer?https://la.flukecal.com/blog/it-time-replace-mercury-thermometer
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<div><span>Do you work outdoors where potentially explosive gases might be present, or do you work on the floor of a processing plant? If so, you need a reference thermometer designed to go where you work.</span></div>
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<div><span>Industrial reference thermometers available on the market today, such as mercury-in-glass thermometers (or “ASTM thermometers”) and portable electronic thermometers, are useful, but both come with inherent problems.</span></div>
<div><span>Although accurate and repeatable, mercury thermometers are fragile.</span></div>
<p><a href="https://la.flukecal.com/blog/it-time-replace-mercury-thermometer" target="_blank">leer más</a></p>https://la.flukecal.com/blog/it-time-replace-mercury-thermometer#comments1551A1552AASTMFluke Calibrationmercurymercury thermometerStikThu, 12 Dec 2013 23:14:34 +000065462 at https://la.flukecal.comIn a Standards Laboratory, Every Detail Countshttps://la.flukecal.com/blog/standards-laboratory-every-detail-counts
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<div><em>How replacing the ceiling tiles turned into a bigger project than expected</em></div>
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<p><a href="https://la.flukecal.com/blog/standards-laboratory-every-detail-counts" target="_blank">leer más</a></p>https://la.flukecal.com/blog/standards-laboratory-every-detail-counts#commentsFluke standards labstandards lab renovationTue, 29 Oct 2013 20:54:43 +000064288 at https://la.flukecal.comUnderstanding the Importance of Traceability to the SIhttps://la.flukecal.com/blog/understanding-importance-traceability-si
<div><span><img align="left" alt="" height="189" hspace="5" src="/sites/flukecal.com/files/public/images/Calibration%20hierarchy.jpg" vspace="5" width="300" />I have seen some interesting discussions in cyberspace about the recent shutdown of the U.S. Government. The measurement services of the National Institutes of Standards and Technologies (NIST) are on the “not critical” list of services, as is most of NIST itself.</span></div>
<p><a href="https://la.flukecal.com/blog/understanding-importance-traceability-si" target="_blank">leer más</a></p>https://la.flukecal.com/blog/understanding-importance-traceability-si#commentsFlukegovernment shutdownInternational System of Units (SI)ISO 17025NISTNMItraceabilityMon, 14 Oct 2013 21:35:43 +0000Jeff Gust63966 at https://la.flukecal.comFlowmeter calibration: Five best practices you need to knowhttps://la.flukecal.com/blog/flowmeter-calibration-five-best-practices-you-need-know
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<p>&nbsp;<span>A flowmeter measures the rate that fluid or gas moves through it. &nbsp;Test and measurement professionals use them in a wide variety of applications where accurate flow measurements are critical, including (but not limited to) HVAC, energy and utilities, water management, aerospace, agriculture and the pharmaceutical industry. In applications like these, it’s important to calibrate the flowmeters that make the measurements.&nbsp; Regular calibrations assure you that the flowmeter’s measurements are as accurate as their specifications say they are.</span></p>
<p><a href="https://la.flukecal.com/blog/flowmeter-calibration-five-best-practices-you-need-know" target="_blank">leer más</a></p>https://la.flukecal.com/blog/flowmeter-calibration-five-best-practices-you-need-know#commentsDHIeffective gas flow calibrationflowFlow CalibrationflowmeterHVAC measurementsMon, 30 Sep 2013 22:29:58 +0000Larry Renda63605 at https://la.flukecal.comContamination: is this hidden hazard threatening your pressure lab?https://la.flukecal.com/blog/contamination-hidden-hazard-threatening-your-pressure-lab
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<div>If you measure or calibrate pressure in the real world, you are at risk for contamination.&nbsp; And contamination can cause problems that you don’t even want to think about. A manufacturer in the aerospace industry found that out when they used their air system to calibrate a gauge that had water in it, then used it to calibrate another device that was supposed to be “dry and air pure.” That device was used on a water-free system under test and, you guessed it, water got into the system where it is definitely not supposed to be. It caused a lot of problems.</div>
<p><a href="https://la.flukecal.com/blog/contamination-hidden-hazard-threatening-your-pressure-lab" target="_blank">leer más</a></p>https://la.flukecal.com/blog/contamination-hidden-hazard-threatening-your-pressure-lab#commentscontaminationDH InstrumentsFluke CalibrationPressure calibrationFri, 30 Aug 2013 16:09:45 +0000Tim Francis62265 at https://la.flukecal.comThe Two Worlds of Radiometric and Radiation Thermometer Calibrationhttps://la.flukecal.com/blog/two-worlds-radiometric-and-radiation-thermometer-calibration
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<p>&nbsp;I write this towards the end of the CALCON Conference at the Utah State University Campus in Logan, Utah. The conference is here because the Space Dynamics Laboratory is part of Utah State. CALCON is the "Conference on Characterization and Radiometric Calibration for Remote Sensing".</p>
<p><a href="https://la.flukecal.com/blog/two-worlds-radiometric-and-radiation-thermometer-calibration" target="_blank">leer más</a></p>https://la.flukecal.com/blog/two-worlds-radiometric-and-radiation-thermometer-calibration#commentsThu, 22 Aug 2013 18:05:00 +0000Frank Liebmann58495 at https://la.flukecal.comNon-linear curve fitting using GNU plot https://la.flukecal.com/blog/non-linear-curve-fitting-using-gnu-plot
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<p>&nbsp;Metrology is a very satisfying occupation but there will be roadblocks along the way. For some of us curve fitting is easy so long as we have a standard software package that solves our problem. But what do you do in a situation where your usual software program doesn’t work because you’re dealing with a non-linear equation? Such situations are not that exotic. For example, infrared thermometers are everywhere and typically impractical to adjust.&nbsp; If you want to provide a correction table to your customer, then you’ll need to solve the Sakuma-Hattori equation.</p>
<p><a href="https://la.flukecal.com/blog/non-linear-curve-fitting-using-gnu-plot" target="_blank">leer más</a></p>https://la.flukecal.com/blog/non-linear-curve-fitting-using-gnu-plot#commentscurve fittingFluke CalibrationGNU Plotnon-linearMon, 20 May 2013 15:40:15 +0000Frank Liebmann44564 at https://la.flukecal.comNotes from the Tech Support Deskhttps://la.flukecal.com/blog/notes-tech-support-desk
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<div>If you use Fluke Calibration electrical calibrators or software, chances are you and I have talked on the phone at least once.</div>
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<p><a href="https://la.flukecal.com/blog/notes-tech-support-desk" target="_blank">leer más</a></p>https://la.flukecal.com/blog/notes-tech-support-desk#commentsarbitrary waveform generatorsCalibration softwaredata loggerselectrical calibratorsFluke Calibrationtech supportTue, 07 May 2013 16:25:42 +0000William Spath44081 at https://la.flukecal.comHow to Select an Electrical Calibratorhttps://la.flukecal.com/blog/how-select-electrical-calibrator
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<p><a href="https://la.flukecal.com/blog/how-select-electrical-calibrator" target="_blank">leer más</a></p>https://la.flukecal.com/blog/how-select-electrical-calibrator#commentscalibratorElectrical calibrationFlukeSelecting a SourceFri, 15 Mar 2013 19:54:11 +0000jack somppi41902 at https://la.flukecal.comThe Truth About Height Based Pressure Unitshttps://la.flukecal.com/blog/truth-about-height-based-pressure-units
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<p>&nbsp;When does height equal pressure? Well the simple answer is it doesn’t, but more on that later. A less simple answer is that height based pressure unit standards for manometers have evolved significantly over time. This has left an interesting legacy that you need to be aware of if you calibrate pressure instruments using height based units.</p>
<p><a href="https://la.flukecal.com/blog/truth-about-height-based-pressure-units" target="_blank">leer más</a></p>https://la.flukecal.com/blog/truth-about-height-based-pressure-units#commentsDHIgravitymanometerPressure calibrationRuskaFri, 08 Feb 2013 15:58:26 +0000Mike Bair39431 at https://la.flukecal.comCalibrating a Hydroplanehttps://la.flukecal.com/blog/calibrating-hydroplane
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<p>For the 2012 racing season, I was invited by the Gregory family to be part of their U88 racing team. While our season didn’t always go our way, we had some great moments. Along the way, I found many of my metrology skills were invaluable.</p>
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<p><a href="https://la.flukecal.com/blog/calibrating-hydroplane" target="_blank">leer más</a></p>https://la.flukecal.com/blog/calibrating-hydroplane#commentsCalibrationdata acquisitionTue, 18 Dec 2012 01:10:10 +0000Randy Lemon38080 at https://la.flukecal.comGetting to “Yes”: How to justify the purchase of new calibration equipmenthttps://la.flukecal.com/blog/getting-%E2%80%9Cyes%E2%80%9D-how-justify-purchase-new-calibration-equipment
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<h2><span>Three questions to ask yourself…plus four types of facts to gather</span></h2>
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<div>You go to your boss and say “I need a new calibrator.” The boss says, “Great, here’s a blank check, go ahead and buy whatever you need.”&nbsp; Ok, that’s the fantasy. In real life, the boss is likely to respond to your request with questions beginning with “Why…” and “How much…” And the first answer you’ll likely get is “No.” So how can you turn that “No” into “Yes,” or better still, get to “Yes” on the first try?</div>
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<p><a href="https://la.flukecal.com/blog/getting-%E2%80%9Cyes%E2%80%9D-how-justify-purchase-new-calibration-equipment" target="_blank">leer más</a></p>https://la.flukecal.com/blog/getting-%E2%80%9Cyes%E2%80%9D-how-justify-purchase-new-calibration-equipment#commentsFinancial JustificationFri, 30 Nov 2012 23:39:39 +0000jack somppi37588 at https://la.flukecal.comA calibration bath primerhttps://la.flukecal.com/blog/calibration-bath-primer
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<p>I’m a big fan of calibration baths. When I managed our <a href="/products/temperature-calibration">temperature calibration</a> laboratory, I relied on them. With a series of baths and a liquid nitrogen comparator, we were able to perform a large volume of accredited temperature calibrations with lower uncertainties from -197 °C to 500 °C than would have been possible in any other way.</p>
<p><a href="https://la.flukecal.com/blog/calibration-bath-primer" target="_blank">leer más</a></p>https://la.flukecal.com/blog/calibration-bath-primer#commentscalibration bathsTemperature calibrationWed, 28 Nov 2012 21:52:03 +0000Ron Ainsworth37515 at https://la.flukecal.comYes you can give a great presentation at NCSLI or MSChttps://la.flukecal.com/blog/yes-you-can-give-great-presentation-ncsli-or-msc
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<p>Look up any list of “most common fears” and one of the top items will be “fear of public speaking.” But chances are, at some time in your professional career you will be called upon to give a presentation. Whether you’re speaking to a small group of colleagues at your company or a group of professionals at a conference, here are some tips to help you succeed – and perhaps even enjoy your experience as a public speaker.</p>
<p><a href="https://la.flukecal.com/blog/yes-you-can-give-great-presentation-ncsli-or-msc" target="_blank">leer más</a></p>https://la.flukecal.com/blog/yes-you-can-give-great-presentation-ncsli-or-msc#commentsMSCNCSLIpublic speakingFri, 09 Nov 2012 00:01:28 +0000Barbara Richardson35309 at https://la.flukecal.comThe Case to Revise ISO 17025 - Part 1 https://la.flukecal.com/blog/case-revise-iso-17025-part-1
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<h1>Alignment of terminology: calibration and verification</h1>
<p>"The more critical the decision, the more critical the data. The more critical the data, the more critical the measurement."</p>
<p>–NASA Reference Publication 1342</p>
<p>ISO 17025 was initially released in 1999. In 2005, it underwent minor revision to align better to ISO 9000:2000. In 2010, the standard was up for review again and rather than voting for revision, the vote was to confirm the standard as-is for another five years. In attending the 2012 ILAC joint annual meetings, it is becoming my opinion that ISO 17025 needs to be revised.&nbsp;This is the first of a series of blog posts that I will be making to demonstrate why the revision needs to be made.</p>
<p><a href="https://la.flukecal.com/blog/case-revise-iso-17025-part-1" target="_blank">leer más</a></p>https://la.flukecal.com/blog/case-revise-iso-17025-part-1#commentsCalibrationISO 17025standardsverificationMon, 22 Oct 2012 19:48:14 +0000Jeff Gust32186 at https://la.flukecal.comPressure calibration specifications - A rude awakening! https://la.flukecal.com/blog/pressure-calibration-specifications-rude-awakening
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<p>I initially thought interpreting electrical specifications was a little daunting. But once you get the basics, it’s really pretty straightforward. Specifications in dc/low frequency electrical calibration are based around a simple “y = mx + b” linear equation for both sourcing and measuring instruments.&nbsp; Manufacturers’ use terms like “% of reading + % of full scale” or “% of reading + units”, all based on two terms, a scale factor error (“m”) and an offset or floor “b”. Really, pretty straightforward stuff once you figure it out.</p>
<p><a href="https://la.flukecal.com/blog/pressure-calibration-specifications-rude-awakening" target="_blank">leer más</a></p>https://la.flukecal.com/blog/pressure-calibration-specifications-rude-awakening#commentsinstrument specificationsPressure calibrationpressure measurementWed, 17 Oct 2012 21:19:32 +0000warren32071 at https://la.flukecal.comYes, you can write that technical paperhttps://la.flukecal.com/blog/yes-you-can-write-technical-paper
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<p>Jim is an ambitious new metrologist at ABC Tech. He wants to become more visible in his department and in the metrology community at large, so he decides to submit a paper to a prestigious conference. He schedules some time for himself over the weekend to sit down and think about it.</p>
<p><a href="https://la.flukecal.com/blog/yes-you-can-write-technical-paper" target="_blank">leer más</a></p>https://la.flukecal.com/blog/yes-you-can-write-technical-paper#commentsIMEKOMSCNCSLITechnical writingMon, 08 Oct 2012 22:17:56 +0000Barbara Richardson31659 at https://la.flukecal.comSteps to determine if the size of your source is too smallhttps://la.flukecal.com/blog/steps-determine-if-size-your-source-too-small
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<h2>1.<span class="Apple-tab-span"> </span>Introduction of Three Methods</h2>
<p>Knowledge of size of source is important for your infrared thermometer calibration. You should use this knowledge in determining a proper size for the thermal radiation source used for the calibration. The three methods to study the amount of source are listed below.</p>
<p><a href="https://la.flukecal.com/blog/steps-determine-if-size-your-source-too-small" target="_blank">leer más</a></p>https://la.flukecal.com/blog/steps-determine-if-size-your-source-too-small#commentsblackbodyinfrared thermometersize of sourceTemperature calibrationWed, 03 Oct 2012 16:10:48 +0000Frank Liebmann31442 at https://la.flukecal.comSelecting Connecting Tubing and Hardware for a Pressure Calibrationhttps://la.flukecal.com/blog/selecting-connecting-tubing-and-hardware-pressure-calibration
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<p><a href="https://la.flukecal.com/blog/selecting-connecting-tubing-and-hardware-pressure-calibration" target="_blank">leer más</a></p>https://la.flukecal.com/blog/selecting-connecting-tubing-and-hardware-pressure-calibration#commentshigh pressurePFA tubePressure calibrationpressure control valvesstainless steel tubetube fittingsTue, 28 Aug 2012 16:09:29 +0000Mike Bair29709 at https://la.flukecal.comCalibration baths, physics, and the black artshttps://la.flukecal.com/blog/calibration-baths-physics-and-black-arts
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<p>Dave buys a new calibration bath because of a requirement to calibrate to –80°C. His boss notices the temperature range on the bath is from –80 °C to 110 °C. Sensing a new source of revenue, the boss says, “Great, now we can finally calibrate thermometers to 110 °C too.”</p>
<p class="rteindent1">“No”, Dave says, “we can’t set the temperature higher than 70°C”</p>
<p> “Why, what’s wrong with the bath?”</p>
<p> “Nothing, it’s working perfectly.”</p>
<p><a href="https://la.flukecal.com/blog/calibration-baths-physics-and-black-arts" target="_blank">leer más</a></p>https://la.flukecal.com/blog/calibration-baths-physics-and-black-arts#commentsbath fluidcalibration bathTemperature calibrationFri, 24 Aug 2012 20:25:37 +0000Ron Ainsworth29661 at https://la.flukecal.com留言咨询https://la.flukecal.com/node/29609
<p>如果您想咨询有关福禄克计量校准产品的价格、销售渠道、技术等问题，或申请产品的现场演示，请在此留下您的问题和联系方式，我们会尽快与您取得联系。其中<span>*</span>为必填项</p>
Wed, 22 Aug 2012 07:02:00 +0000扬 宋29609 at https://la.flukecal.comFeedback ao webmasterhttps://la.flukecal.com/node/29425
<p>Seus comentários, sugestões, e idéias de melhorias são muito importantes para nós. Apreciamos o seu tempo para nós enviar seus comentári ros. Normalmente não retornamos emails relacionados a erros no site. De qualquer forma, lemos cada mensagem que nos é enviada, e usamos todas as sugestões para melhorias do nosso portal, produtos e serviços.</p>
Wed, 15 Aug 2012 22:43:41 +0000Michael Foster29425 at https://la.flukecal.comAnother NCSLI conference is in the bookshttps://la.flukecal.com/blog/another-ncsli-conference-books
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<p>Another <a href="//www.ncsli.org/i/f/ci/c/f/conference.aspx?hkey=6168a97b-4890-445c-a643-8aed89cabe2b">NCSLI conference</a> is in the books.&nbsp; This year, the metrology faithful (and budget funded!) once again gathered to gain knowledge through tutorials and technical presentations, contribute to the industry through attendance of committee meetings, talk to vendors at the exhibition, network with some of the world’s experts in metrology and spend time with old friends.&nbsp; There were so many great things happening that I didn’t even have time to compose a single tweet!</p>
<p><a href="https://la.flukecal.com/blog/another-ncsli-conference-books" target="_blank">leer más</a></p>https://la.flukecal.com/blog/another-ncsli-conference-books#commentsmetrologyNCSLI conferenceTue, 14 Aug 2012 17:38:39 +0000Jeff Gust29361 at https://la.flukecal.comMars Science Laboratoryhttps://la.flukecal.com/blog/mars-science-laboratory
<h2>Mars Science Laboratory - measurement and calibration on Mars</h2>
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<p>You can bet there is a lot of test and measurement equipment onboard Curiosity. As a test and measurement professional, I’d like to tell you about some of the things I find especially interesting.</p>
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<p><a href="https://la.flukecal.com/blog/mars-science-laboratory" target="_blank">leer más</a></p>https://la.flukecal.com/blog/mars-science-laboratory#commentsCalibrationCuriosityMars Science LaboratoryNASATest and Measurement EquipmentThu, 09 Aug 2012 17:53:58 +0000Ron Ainsworth29224 at https://la.flukecal.comNew Fluke Calibration 5502A Multi-Product Calibrator provides a robust, transportable solution for calibrating in the lab or the fieldhttps://la.flukecal.com/literature/press-releases/new-fluke-calibration-5502a-multi-product-calibrator-provides-robust-trans
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<h1 class="rtecenter"><span>New Fluke Calibration 5502A Multi-Product Calibrator provides a robust, transportable solution for calibrating in the lab or the field</span></h1>
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– Select roles – </div>
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<p><a href="https://la.flukecal.com/literature/press-releases/new-fluke-calibration-5502a-multi-product-calibrator-provides-robust-trans" target="_blank">leer más</a></p>Comunicados de prensaMon, 06 Aug 2012 19:47:45 +0000Barbara Richardson29116 at https://la.flukecal.com Seeing what can't be seen in a triple point of argon systemhttps://la.flukecal.com/blog/seeing-what-cant-be-seen-triple-point-argon-system
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<p>It takes basic research and a lot of hard work to make primary standards that meet today’s demanding requirements. But how do scientists research the behavior of a sealed system like a triple point of argon cell? You can’t see what’s going on inside, and you can’t know what you can’t see.&nbsp; Or can you?</p>
<p><a href="https://la.flukecal.com/blog/seeing-what-cant-be-seen-triple-point-argon-system" target="_blank">leer más</a></p>https://la.flukecal.com/blog/seeing-what-cant-be-seen-triple-point-argon-system#commentsprimary standardsTemperature calibrationtriple point of argonFri, 20 Jul 2012 15:53:16 +0000Ron Ainsworth28799 at https://la.flukecal.comHow traceability is restored to infrared calibrationhttps://la.flukecal.com/blog/how-traceability-restored-infrared-calibration
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<p>There is a silent measurement quality crisis and few people are aware. Infrared thermometers are being used more and more for critical temperature measurements without much assurance that their values are accurate. Infrared thermometers can be calibrated to improve and assure measurement accuracy, but even the flat-plate radiation sources used to assure those measurements at temperatures below 1000 °C often lack the traceability necessary to be a reliable as a calibration standard.</p>
<p><a href="https://la.flukecal.com/blog/how-traceability-restored-infrared-calibration" target="_blank">leer más</a></p>https://la.flukecal.com/blog/how-traceability-restored-infrared-calibration#commentsblackbodyinfrared calibrationTemperature calibrationtraceabilityTue, 10 Jul 2012 20:10:36 +0000Ron Ainsworth28615 at https://la.flukecal.comFeedbackhttps://la.flukecal.com/node/28604
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<fieldset class="fieldgroup group-eloqua-field-mappings"><legend>Eloqua Field Mappings</legend><div class="field field-type-text field-field-enable-eloqua-mappings">
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<p><a href="https://la.flukecal.com/node/28604" target="_blank">leer más</a></p>Tue, 10 Jul 2012 13:27:32 +0000Gerda Meijer28604 at https://la.flukecal.comHow a pressure balance workshttps://la.flukecal.com/blog/how-pressure-balance-works
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<div>Imagine for a moment you are Bob. Bob lives in New York and recently purchased a deadweight tester from a gentleman in South Carolina. The deadweight tester came with a certificate of calibration, but the instrument appears to read 0.5 to 0.6 psi off when calibrating his 0.05% 1,000 psi gauges. Bob scratches his head, then double checks the gauges with the older equipment he is replacing. The gauges read well within tolerance on his old equipment. Bob is not happy. Can you blame him?</div>
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<p><a href="https://la.flukecal.com/blog/how-pressure-balance-works" target="_blank">leer más</a></p>https://la.flukecal.com/blog/how-pressure-balance-works#commentsdeadweight testerPressure calibrationWed, 27 Jun 2012 19:31:53 +0000Ron Ainsworth28415 at https://la.flukecal.comComentarioshttps://la.flukecal.com/comentarios
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<p><a href="https://la.flukecal.com/comentarios" target="_blank">leer más</a></p>Mon, 19 Dec 2011 12:46:08 +0000Gerda Meijer25175 at https://la.flukecal.comCommentaireshttps://la.flukecal.com/node/22869
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<p><a href="https://la.flukecal.com/node/22869" target="_blank">leer más</a></p>Wed, 30 Nov 2011 15:53:05 +0000Gerda Meijer22869 at https://la.flukecal.comFeedbackhttps://la.flukecal.com/node/22698
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<p><a href="https://la.flukecal.com/node/22698" target="_blank">leer más</a></p>Tue, 22 Nov 2011 13:44:51 +0000Gerda Meijer22698 at https://la.flukecal.comCalibration and Metrology Training Courseshttps://la.flukecal.com/node/20
Wed, 10 Nov 2010 23:58:48 +0000Michael Foster20 at https://la.flukecal.com